AMD Radeon RX 640 vs NVIDIA GeForce GTX 745 OEM

Comparative analysis of AMD Radeon RX 640 and NVIDIA GeForce GTX 745 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Graphics Score.

AMD Radeon RX 640

NVIDIA GeForce GTX 745 OEM

Differences

Reasons to consider the AMD Radeon RX 640

Videocard is newer: launch date 5 year(s) 2 month(s) later
Around 5% higher core clock speed: 1082 MHz vs 1033 MHz
1572.4x more texture fill rate: 38.98 GTexel/s vs 24.79 GTexel / s
Around 33% higher pipelines: 512 vs 384
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
Around 10% lower typical power consumption: 50 Watt vs 55 Watt
Around 12% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3278 vs 2918
Around 12% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3278 vs 2918
Around 69% better performance in Geekbench - OpenCL: 10390 vs 6139

Specifications (specs)
Launch date	13 May 2019 vs 18 February 2014
Core clock speed	1082 MHz vs 1033 MHz
Texture fill rate	38.98 GTexel/s vs 24.79 GTexel / s
Pipelines	512 vs 384
Manufacturing process technology	14 nm vs 28 nm
Thermal Design Power (TDP)	50 Watt vs 55 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	3278 vs 2918
GFXBench 4.0 - Car Chase Offscreen (Fps)	3278 vs 2918
Geekbench - OpenCL	10390 vs 6139

Reasons to consider the NVIDIA GeForce GTX 745 OEM

2x more maximum memory size: 4 GB vs 2 GB
Around 3% higher memory clock speed: 1800 MHz vs 1750 MHz (7000 MHz effective)
Around 2% better performance in GFXBench 4.0 - Manhattan (Frames): 1813 vs 1769
Around 2% better performance in GFXBench 4.0 - Manhattan (Fps): 1813 vs 1769
Around 19% better performance in GFXBench 4.0 - T-Rex (Frames): 3309 vs 2775
Around 19% better performance in GFXBench 4.0 - T-Rex (Fps): 3309 vs 2775
Around 39% better performance in PassMark - G2D Mark: 474 vs 340
Around 10% better performance in PassMark - G3D Mark: 2145 vs 1952

Specifications (specs)
Maximum memory size	4 GB vs 2 GB
Memory clock speed	1800 MHz vs 1750 MHz (7000 MHz effective)
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	1813 vs 1769
GFXBench 4.0 - Manhattan (Fps)	1813 vs 1769
GFXBench 4.0 - T-Rex (Frames)	3309 vs 2775
GFXBench 4.0 - T-Rex (Fps)	3309 vs 2775
PassMark - G2D Mark	474 vs 340
PassMark - G3D Mark	2145 vs 1952

Compare benchmarks

GPU 1: AMD Radeon RX 640
GPU 2: NVIDIA GeForce GTX 745 OEM

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1769

1813

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1769

1813

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2775

3309

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2775

3309

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

3278

2918

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

3278

2918

Geekbench - OpenCL

GPU 1

GPU 2

10390

6139

PassMark - G2D Mark

GPU 1

GPU 2

340

474

PassMark - G3D Mark

GPU 1

GPU 2

1952

2145

Name	AMD Radeon RX 640	NVIDIA GeForce GTX 745 OEM
GFXBench 4.0 - Manhattan (Frames)	1769	1813
GFXBench 4.0 - Manhattan (Fps)	1769	1813
GFXBench 4.0 - T-Rex (Frames)	2775	3309
GFXBench 4.0 - T-Rex (Fps)	2775	3309
GFXBench 4.0 - Car Chase Offscreen (Frames)	3278	2918
GFXBench 4.0 - Car Chase Offscreen (Fps)	3278	2918
Geekbench - OpenCL	10390	6139
PassMark - G2D Mark	340	474
PassMark - G3D Mark	1952	2145
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		24.117
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		335.835
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.651
CompuBench 1.5 Desktop - Video Composition (Frames/s)		27.096
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		97.126
3DMark Fire Strike - Graphics Score		655

Compare specifications (specs)

	AMD Radeon RX 640	NVIDIA GeForce GTX 745 OEM
Essentials
Architecture	GCN 4.0	Maxwell
Code name	Arctic Islands	GM107
Launch date	13 May 2019	18 February 2014
Place in performance rating	810	994
Type		Desktop
Technical info
Boost clock speed	1218 MHz
Compute units	8
Core clock speed	1082 MHz	1033 MHz
Manufacturing process technology	14 nm	28 nm
Peak Double Precision (FP64) Performance	77.95 GFLOPS
Peak Half Precision (FP16) Performance	1247 GFLOPS
Peak Single Precision (FP32) Performance	1247 GFLOPS
Pipelines	512	384
Pixel fill rate	19.49 GPixel/s
Texture fill rate	38.98 GTexel/s	24.79 GTexel / s
Thermal Design Power (TDP)	50 Watt	55 Watt
Transistor count	2200 million	1,870 million
Floating-point performance		793.3 gflops
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 1x VGA
DisplayPort support
HDMI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Length	5.7 inches (145 mm)	145 mm
Recommended system power (PSU)	350 Watt
Supplementary power connectors	None	None
Width	Dual-slot
API support
DirectX	12	12.0 (11_0)
OpenCL	2.0
OpenGL	4.6	4.6
Shader Model	6.4
Vulkan
Memory
Maximum RAM amount	2 GB	4 GB
Memory bandwidth	112.0 GB/s	28.8 GB / s
Memory bus width	128 bit	128 Bit
Memory clock speed	1750 MHz (7000 MHz effective)	1800 MHz
Memory type	GDDR5	DDR3
Technologies
Unified Video Decoder (UVD)
Video Code Engine (VCE)